122341443240 has 128 divisors (see below), whose sum is σ = 377367621120. Its totient is φ = 31710873600.

The previous prime is 122341443233. The next prime is 122341443247. The reversal of 122341443240 is 42344143221.

It is an interprime number because it is at equal distance from previous prime (122341443233) and next prime (122341443247).

It is a super-2 number, since 2×122341443240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 122341443198 and 122341443207.

It is not an unprimeable number, because it can be changed into a prime (122341443247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1287442 + ... + 1379198.

It is an arithmetic number, because the mean of its divisors is an integer number (2948184540).

Almost surely, 2^122341443240 is an apocalyptic number.

122341443240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122341443240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188683810560).

122341443240 is an abundant number, since it is smaller than the sum of its proper divisors (255026177880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122341443240 is a wasteful number, since it uses less digits than its factorization.

122341443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92083 (or 92079 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 122341443240 its reverse (42344143221), we get a palindrome (164685586461).

The spelling of 122341443240 in words is "one hundred twenty-two billion, three hundred forty-one million, four hundred forty-three thousand, two hundred forty".